We also have links to outside sources such as Cichlid Research, The Krib, and several good Aquatic Forums and Directories (Below the articles section); Please be sure to visit them.
As for forums, this site recommends the very unique "Everything Aquatic" forum for its unique format/content in a friendly atmosphere, without the attacks found in some forums.

AQUARIUM INFORMATION SITES

-This is a growing Aquarium Information (and Pond) site with articles that are regularly updated as new information becomes available (this includes corrections).
This websites articles, aquarium and pond answers, help, and resources are researched and up to date, often with information not found elsewhere in one article such as the excellent "Aquarium Lighting article. Based on 30 years of professional aquarium maintenance experience & extensive research.Probably one of the best Free Aquatic Information sites on the web today!

The Krib: Aquaria and Tropical Fish-This site contains information about tropical fish aquariums, including archived usenet postings and e-mail discussions, along with new articles and photographs designed specifically for the web. The negatives are readability and out of date articles

ARTICLES
These articles are just a few of those found at Aquarium Information; Aquatic Resources & other sites
This section is for generally more specific topics vs. the above listed sites, for example Aquarium Lighting is one of the premier articles in the subject of aquarium lighting.

NO "FishLore" Anecdotal Incorrect Information Found Here such as about UV Sterilizer Use!!

For the Excellent Sites found in the Directories, Forums, and Blogs section; please scroll below the Articles